Attention, perception, memory, learning, processing, reasoning, and problem solving are known to be affected in individuals with Schizophrenia.[1] Schizophrenia has been linked to impaired face and emotion perception.[1][2][3][4] People with schizophrenia demonstrate worse accuracy and slower response time in face perception tasks in which they were asked to match faces, remember faces, and recognize which emotions were present in a face.[4] People with schizophrenia have more difficulty matching upright faces than they do with inverted faces.[1] A reduction in configural processing, using the distance between features of an item for recognition or identification (e.g. features on a face such as eyes or nose), has also been linked to schizophrenia.[4] Schizophrenia patients are able to easily identify a "happy" affect but struggle to identify faces as "sad" or "fearful".[3] Impairments in face and emotion perception are linked to impairments in social skills due to the individual's inability to distinguish facial emotions.[4][3] The severity of schizophrenia symptoms has been found to correlate with the severity of impairment in face perception.[4]
Individuals with diagnosed schizophrenia and Antisocial personality disorder have been found to have even more impairment in face and emotion perception than just individuals with schizophrenia. These individuals struggle to identify anger, surprise, and disgust. There is a link between aggression and emotion perception difficulties for people with this dual diagnosis.[3]
Data from Magnetic resonance imaging and Functional magnetic resonance imaging has shown that smaller volume of the Fusiform gyrus is linked with greater impairments in face perception.[2]
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Megreya, Ahmed (2016). "Face perception in schizophrenia: a specific deficit". Cognitive Neuropsychiatry. 21 (1).
Onitsuka, Niznikiewicz, Spencer, Frumin, Kuroki, Lucia, Shenton, McCarley (2006). "Functional and structural deficits in brain regions subserving face perception in schizophrenia". Am J Psychiatry. 163 (3).{{cite journal}}: CS1 maint: multiple names: authors list (link) Tang, Dorothy Y.Y.; Liu, Amy C.Y.; Lui, Simon S.Y.; Lam, Bess, Y.H.; Siu, Bonnie W.M.; Lee, Tatia M. C.; Cheung, Eric F.C. (2016). "Facial emotion perception impairments in schizophrenia patients with comorbid antisocial personality disorder". Psychiatry Research. 236.{{cite journal}}: CS1 maint: multiple names: authors list (link) Bauser, Denise Soria; Thoma, Patrizia; Aizenberg, Victoria; Brune, Martin; Juckel, Georg; Daum, Irene (2012). "Face and body perception in schizophrenia: a configural processing deficit?". Psychiatry Research. 195.{{cite journal}}: CS1 maint: multiple names: authors list (link)
